TY  - JOUR
AU  - Pakula, Lewis
TI  - Regions Cut by Arrangements of Topological Spheres
JO  - Canadian mathematical bulletin
PY  - 1993
SP  - 241
EP  - 244
VL  - 36
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1993-034-5/
DO  - 10.4153/CMB-1993-034-5
ID  - 10_4153_CMB_1993_034_5
ER  -